Repeat all of the previous work for the AFT center Section Bulkhead, temporary assembly, match drill, dissassemble, deburr, scotchbrite, prime, rivet the seat rail assemblies together, rivet the nutplates to the assemblies and to the center section upper flange. Everything is ready to bolt and rivet together tomorrow.
Center Section upright bars riveted / 426 an 4-16!!!s
All assemblied ready for AN3 bolts and rivets tomorrow.
